The 2-Minute Rule for power backup generator

On the best, the Standby UPS 800VA has only one on/off button that doubles as most of the indicator lights for your unit: For example, the button turns solid green once the machine is powered on and working, it flashes and beeps if the UPS is running on battery, and it turns sound and performs a constant tone once the battery is overloaded.Chauncey

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